Aerial surveys of Harbour Seals in the Wadden Sea in 2017 : Population counts still in stagnation, but more pups than ever

by Galatius, Anders, Brasseur, S.M.J.M., Czeck, Richard, Jeß, Armin, Körber, Peter, Pund, Ralf, Siebert, Ursula, Teilmann, Jonas, Klöpper, Sascha

Wadden Sea Quality Status Report : Marine mammals

by Jensen, Lasse Fast, Teilmann, Jonas, Galatius, Anders, Pund, Ralf, Czeck, Richard, Jess, Armin, Siebert, Ursula, Körber, Peter, Brasseur, S.M.J.M.

Grey Seal in the Wadden Sea and Helgoland : The first aerial surveys in Denmark

by Brasseur, S.M.J.M., Czeck, Richard, Galatius, Anders, Jensen, Lasse Fast, Jeß, Armin, Körber, Peter, Siebert, Ursula, Teilmann, Jonas, Klöpper, Sascha

Aerial surveys of Harbour Seals in the Wadden Sea in 2014 : The highest pup count recorded yet

by Galatius, Anders, Brasseur, S.M.J.M., Czeck, Richard, Diederichs, B., Jensen, Lasse Fast, Körber, Peter, Siebert, Ursula, Teilmann, Jonas, Klöpper, Sascha

Grey seal surveys in the Wadden Sea and Helgoland in 2013-2014 : Grey seal population recoverd after decrease

by Brasseur, S.M.J.M., Czeck, Richard, Diederichs, B., Galatius, Anders, Jensen, Lasse Fast, Körber, Peter, Siebert, Ursula, Teilmann, Jonas, Klöpper, Sascha

Trilateral surveys of Harbour Seals in the Wadden Sea and Helgoland in 2019

by Galatius, Anders, Brasseur, S.M.J.M., Czeck, Richard, Jensen, L., Jess, Armin, Korber, Peter, Pund, Ralf, Siebert, Ursula, Teilmann, Jonas, Klopper, Sascha

Aerial surveys of Grey Seals in the Wadden Sea in the season of 2012-2013: Mixed messages

by Brasseur, S.M.J.M., Diederichs, B., Czeck, Richard, Jensen, L., Galatius, Anders, Ramdohr, Sven, Siebert, Ursula, Teilmann, Jonas, Korber, Peter, Klopper, Sascha

TSEG grey seal surveys in the Wadden Sea and Helgoland in 2017-2018 : More than ten years of growth in the Wadden Sea area

by Brasseur, S.M.J.M., Cremer, J.S.M., Czeck, Richard, Galatius, Anders, Jeß, Armin, Körber, Peter, Pund, Ralf, Siebert, Ursula, Teilmann, Jonas, Klöpper, Sascha

EG-Seals grey seal surveys in the Wadden Sea and Helgoland in 2018-2019 : Steady growth

by Cremer, J.S.M., Brasseur, S.M.J.M., Czeck, Richard, Galatius, Anders, Jess, Armin, Korber, Peter, Pund, Ralf, Siebert, Ursula, Teilmann, Jonas, Busch, J.

Aerial surveys of Harbour Seals in the Wadden Sea in 2018 : Another record year for pups

by Galatius, Anders, Brasseur, S.M.J.M., Cremer, J.S.M., Czeck, Richard, Jess, Armin, Korber, Peter, Pund, Ralf, Siebert, Ursula, Teilmann, Jonas, Klopper, Sascha

TSEG grey seal in the Wadden Sea and Helgoland in 2015-2016 : First year of almost complete monitoring by aerial surveys

by Brasseur, S.M.J.M., Czeck, Richard, Galatius, Anders, Jensen, Lasse Fast, Jeß, Armin, Körber, Peter, Pund, Ralf, Siebert, Ursula, Teilmann, Jonas, Klöpper, Sascha

TSEG grey seal surveys in the Wadden Sea and Helgoland in 2016-2017 : General growth but local drop in numbers

by Brasseur, S.M.J.M., Czeck, Richard, Galatius, Anders, Jensen, Lasse Fast, Jeß, Peter, Körber, Peter, Pund, Ralf, Siebert, Ursula, Teilmann, Jonas, Klöpper, Sascha

Aerial surveys of Harbour Seals in the Wadden Sea in 2016 : Population still in stagnation

by Galatius, Anders, Brasseur, S.M.J.M., Czeck, Richard, Jensen, Lasse Fast, Jeß, Armin, Körber, Peter, Pund, Ralf, Siebert, Ursula, Teilmann, Jonas, Klöpper, Sascha

Aerial surveys of Harbour Seals in the Wadden Sea in 2013: Is the population growth rate slowing down?

by Brasseur, S.M.J.M., Diederichs, B., Czeck, Richard, Jensen, Lasse Fast, Galatius, Anders, Ramdohr, Sven, Siebert, Ursula, Teilmann, Jonas, Korber, Peter, Klopper, Sascha

Aerial surveys of Harbour Seals in the Wadden Sea in 2015 : Moderate impact of the 2014 influenza epidemic

by Galatius, Anders, Brasseur, S.M.J.M., Czeck, Richard, Jensen, Lasse Fast, Jeß, Armin, Körber, Peter, Pund, Ralf, Siebert, Ursula, Teilmann, Jonas, Klöpper, Sascha

Conservation and Managment Plan for the Wadden Sea Seal Population 2018-22

by Brasseur, S.M.J.M., Cremer, J.S.M., Czeck, Richard, Galatius, Anders, Jensen, L., Jess, Armin, Korber, Peter, Pund, Ralf, Siebert, Ursula, Teilmann, Jonas, Klopper, Sascha

Marine mammals: Thematic Report No. 20

by Reijnders, P.J.H., Brasseur, S.M.J.M., Borchardt, Thomas, Camphuysen, Kees, Czeck, Richard, Gilles, Anita, Jensen, Lasse Fast, Leopold, M.F., Lucke, Klaus, Ramdohr, Sven

Beached bachelors: An extensive study on the largest recorded sperm whale Physeter macrocephalus mortality event in the North Sea

by IJsseldijk, Lonneke L., van Neer, Abbo, Deaville, Rob, Begeman, Lineke, van de Bildt, Marco, van den Brand, Judith M.A., Brownlow, Andrew, Czeck, Richard, Dabin, Willy, ten Doeschate, Mariel, Herder, Vanessa, Herr, Helena, IJzer, Jooske, Jauniaux, Thierry, Jensen, Lasse Fast, Jepson, Paul D., Jo, Wendy Karen, Lakemeyer, Jan, Lehnert, Kristina, Leopold, Mardik F., Osterhaus, Albert, Perkins, Matthew W., Piatkowski, Uwe, Prenger-Berninghoff, Ellen, Pund, Ralf, Wohlsein, Peter, Gröne, Andrea, Siebert, Ursula